Tagged Questions

Undo is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited.

This is related to, but not solved by the question “How can I recover the original file from a .swp file?”.
I had two newly-created files a.txt and b.txt open in buffers. The active buffer was b.txt, ...

I am working on a file and made some changes I'd like to undo. Is there anyway that I can undo changes that were made in the part of the file where my insertion point currently is? I do not want to ...

I cannot seem to find a history in Notepad++ showing you all the actions you did. Sometimes you might not be sure anymore what the next Undo action would do.
Does this feature really not exist or I ...

Windows 7 was not allowing me to add a new folder within folders. So I made the command prompt change using the icacls command below. This includes 'desktop', which included all the shortcut icons. ...

Background
Windows Explorer maintains a list of file operations so that you can undo them (10 operations up to XP and 32 from Vista). You can see the last operation without performing it by opening ...

This has been driving me crazy lately. I'm not used to having having a program have a global undo/redo functionality (as in when I undo something, it will undo the last action in any currently open ...

Like I said, I moved a bunch of sql files but instead of moving them to a directory I seem to have renamed them and put them all in the root directory as one file named "newfolder"
Can I undo this or ...

I was trying to crop an image in a layered .psd file, and instead cropped out the entire rest of the layers and only have the one little image I was trying to crop.
It won't let me revert. How do I ...

Is it possible to undo the entire computer's memory to five minutes in the past? For example, a text editor would be at a state of a 5 minutes ago as well as the web browser's state would also be at ...

Wondering if (perhaps via the console in Sublime?) it is possible to recover from a multi-line undo, followed by typing something (a paste, in my case)?
IOW, I un"did" a bunch of stuff, meant to just ...

Can I undo a OS upgrade on a Mac? A couple of days ago, my iMac said software updates were available - did I want to install them. I opted to install them. Ever since then, the computer just randomly ...

I am a developer on OSX. I like to believe I know a lot about computers, but now I feel a mix of sillyness, disbelief and rage. Also, please excuse the drama. ;)
I was working on a web project when I ...

I've lost a very important file, because when I'm working on it, and I decide to test something there, I've deleted a very important part in it, and then my PC shuts down, so now I have missing a very ...

Microsoft Excel's undo / redo feature behaves unlike any other program I know. The undo stack seems to be global across all open files, so that undoing sometimes switches to another file and undoes ...

Undo is nice to have in Vim. But sometimes, at a known good point, I want to erase my undo history - to be able to use u to undo individual changes, but only back to a certain point. (For instance, ...

I have the following autocommand, which basically strips whitespace at the end of each line. Unfortunately, at each save, it inserts a step into the undo to jump to the beginning to the file, which is ...

How can I restore cursor position in Vim as it was before scrolling, selecting or PgUp/PgDn?
I'm tired of searching where I was before I scrolled up to look something at the top.
Are there something ...